Caloric Effects in Perovskite Oxides
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This article is published in Advanced Materials Interfaces.The article was published on 2019-08-01 and is currently open access. It has received 57 citations till now. The article focuses on the topics: Perovskite (structure).read more
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Electric-field control of magnetic order above room temperature
TL;DR: Ferroelectricity in BaTiO3 crystals is used to tune the sharp metamagnetic transition temperature of epitaxially grown FeRh films and electrically drive a transition between antiferromagnetic and ferromagnetic order with only a few volts, just above room temperature, correspond to a magnetoelectric coupling larger than previous reports by at least one order of magnitude.
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Energy Applications of Magnetocaloric Materials
TL;DR: In this paper, the authors present a historical and up-to-date account of the energy-related applications of magnetocaloric materials and information about their processing and magnetic fields, thermodynamics, heat transfer, and other relevant characteristics.
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Structure, magnetic properties and cryogenic magneto-caloric effect (MCE) in RE2FeAlO6 (RE = Gd, Dy, Ho) oxides
TL;DR: In this article, the crystal structure, magnetic properties, and cryogenic magneto-caloric effect (MCE) of RE2FeAlO6 (Gd, Dy, Ho) oxides are presented.
Pseudo-First-Order Phase Transition for Ultrahigh Positive/Negative Electrocaloric Effects in Perovskite Ferroelectrics
TL;DR: In this paper, a thermodynamics analysis and phase field simulations were conducted to demonstrate the mechanical compression-induced two types of pseudo-first-order phase transition, which could occur at a temperature below the Curie temperature.
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Giant room temperature electrocaloric effect in a layered hybrid perovskite ferroelectric: [(CH3)2CHCH2NH3]2PbCl4
Xitao Liu,Xitao Liu,Zhenyue Wu,Zhenyue Wu,Tong Guan,Haidong Jiang,Peiqing Long,Peiqing Long,Xiaoqi Li,Xiaoqi Li,Chengmin Ji,Chengmin Ji,Shuang Chen,Zhihua Sun,Zhihua Sun,Junhua Luo,Junhua Luo +16 more
TL;DR: In this paper, the authors achieved large electrocaloric effect near room temperature in a hybrid perovskite ferroelectric, useful for high-performance solid-state refrigeration.
References
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Spintronics: a spin-based electronics vision for the future.
Stuart A. Wolf,Stuart A. Wolf,David D. Awschalom,Robert A. Buhrman,J. M. Daughton,S. von Molnar,Michael L. Roukes,Almadena Chtchelkanova,Daryl Treger +8 more
TL;DR: This review describes a new paradigm of electronics based on the spin degree of freedom of the electron, which has the potential advantages of nonvolatility, increased data processing speed, decreased electric power consumption, and increased integration densities compared with conventional semiconductor devices.
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Spintronics: Fundamentals and applications
TL;DR: Spintronics, or spin electronics, involves the study of active control and manipulation of spin degrees of freedom in solid-state systems as discussed by the authors, where the primary focus is on the basic physical principles underlying the generation of carrier spin polarization, spin dynamics, and spin-polarized transport.
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Multiferroic and magnetoelectric materials
TL;DR: A ferroelectric crystal exhibits a stable and switchable electrical polarization that is manifested in the form of cooperative atomic displacements that arises through the quantum mechanical phenomenon of exchange.
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Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure
Maw-Kuen Wu,J. R. Ashburn,C. J. Torng,Pei-Herng Hor,R. L. Meng,Li Gao,Z. J. Huang,Yongmei Wang,Ching-Wu Chu +8 more
TL;DR: A stable and reproducible superconductivity transition between 80 and 93 K has been unambiguously observed both resistively and magnetically in a new Y-Ba-Cu-O compound system at ambient pressure.
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Lead-free piezoceramics
Yasuyoshi Saito,Hisaaki Takao,Toshihiko Tani,Tatsuhiko Nonoyama,Kazumasa Takatori,Takahiko Homma,Toshiatsu Nagaya,Masaya Nakamura +7 more
TL;DR: A lead-free piezoelectric ceramic with an electric-field-induced strain comparable to typical actuator-grade PZT is reported, achieved through the combination of the discovery of a morphotropic phase boundary in an alkaline niobate-based perovskite solid solution, and the development of a processing route leading to highly textured polycrystals.